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Thread: New to the Marauder, exhaust advice

  1. #1
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    Question New to the Marauder, exhaust advice

    So I just bought an 03 SB Marauder and I'm reading through all these posts for exhaust and I'm just super confused... I'm looking for exhaust that has a deep rumble, I don't want raspy, but I also want exhaust that will be good for later on boost application.


    It seems like everyone has 2.5" exhaust. Is that enough for a supercharged car, shooting for 450hp+? And can you just buy a complete 2.5"+ exhaust system from the headers back? I will upgrade headers when I put the supercharger on. I could really use some help, but please explain things because I get confused. THANK YOU in advance.

  2. #2
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    2.5 is plenty to 600 rwhp. kooks offer headers and mid pipe, stainless works has headers and 3.0 exhaust.

    These cars don't really have a deep rumble but you can eliminate raspy with muffler choice which vsries greatly on preference. go to you tube and search marauder exhaust
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  3. #3
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    2003 Mercury Marauder- Stock with 223k miles.

    2000 Crown Victoria P73. Deep Wedge Wood Blue.
    SW longtube headers and high flow cats, magnaflow mufflers, 3.55 gears w/track lock, 70mm Aviator TB, PnP factory plenum, ADTR intake tube, 87 octaine tune by MO. Bilstein HD shocks, Mecto Rear control arms w/ watts link, Addco custom order 1.5 inch front sway bar (38mm), 1.25 inch rear bar 31.75mm (only 11 made).

  4. #4
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    Quote Originally Posted by Bondfreak13 View Post
    This doesn't sound bad, but they're sold out, and kind of expensive.
    2003 SB Marauder, 2nd owner, 18k miles, working on doing full air bags

  5. #5
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    I have 2.5" and make 750 rwhp.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, wife's next one, 136k mi FPG # 7134 of 7838 or 89 of 417 SB
    04 MM Silver, Stock, on standby 85k mi, FPG # 1212 of 3214 or 432 of 997 SB
    01 F150 longbed
    01 F150 shortbed
    00 F150 4x4 stepside
    01 F150 4x4 7700
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

  6. #6
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    Quote Originally Posted by Noremac1993 View Post
    So I just bought an 03 SB Marauder and I'm reading through all these posts for exhaust and I'm just super confused... I'm looking for exhaust that has a deep rumble, I don't want raspy, but I also want exhaust that will be good for later on boost application.


    It seems like everyone has 2.5" exhaust. Is that enough for a supercharged car, shooting for 450hp+? And can you just buy a complete 2.5"+ exhaust system from the headers back? I will upgrade headers when I put the supercharger on. I could really use some help, but please explain things because I get confused. THANK YOU in advance.
    Welcome!

    03 SB with 18K miles.

    Unsure if you know this but there were only 417 SBs built in 2003 so you have a rare Marauder.

    See where you are in the build sequence of 03 SBs and Marauders by ordering a certificate from Ford:

    https://www.mercurymarauder.net/foru...ad.php?t=57772
    03 Black MM: Trilogy #19, Build Date 04/02/03 #7113
    03 SB MM: Lidio Tune/JLT CAI DD Build Date 04/02/03 #7114

  7. #7
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    Quote Originally Posted by Bondfreak13 View Post


    And this is also raspy unless you don’t mind buying another set of mufflers.


    Sent from my iPhone using Tapatalk
    SOLD 12/31/2021

    Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.

  8. #8
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    https://youtu.be/ryr6ncRKN8o

    That is ny exhaust. Have a little exhaust leak but pretty good.

  9. #9
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    Quote Originally Posted by FordNut View Post
    I have 2.5" and make 750 rwhp.
    im just going by what someone told me once. i knew 600 was a,safe number, i should have worded it different, thanks for letting me know it is higher than i was led to believe.
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  10. #10
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    Quote Originally Posted by Noremac1993 View Post
    This doesn't sound bad, but they're sold out, and kind of expensive.
    they make them as needed, about a 5 week turn usually. There are no exhaust companies that make marauder systems except stainless works, you can put any muffler you want on, but it will need welding etc. welcome to maraudering, nothing is cheap to getcwhere you want it to be.. Wait until boost comes into play...$6k - 25k or more
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  11. #11
    Join Date
    Dec 2013
    Location
    NE Ohio
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    Welcome to the site. I have a full stainless works system on my car can confirm rasp. Nice system otherwise.

    Sent from my SM-G930V using Tapatalk

  12. #12
    Join Date
    May 2011
    Location
    Schenectady, NY
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    Don’t waste your money, add mufflers to your choosing and delete rear cats. Then when supercharged add headers and h or x pipe... and new front cats if you wish. Just my .02 cents
    300A Black
    4:10 gears, Flowmaster 44's with rear cat delete, SW headers with 3 inch cats to 2.5 custom h. 3500 stall, Twisted synergy dyno tune, addco f/r , rear control arms, Novi 1200 air to air with the fixings.

  13. #13
    Join Date
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    Location
    Near Knoxville TN
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    Borla Mufflers sound great, not raspy.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, wife's next one, 136k mi FPG # 7134 of 7838 or 89 of 417 SB
    04 MM Silver, Stock, on standby 85k mi, FPG # 1212 of 3214 or 432 of 997 SB
    01 F150 longbed
    01 F150 shortbed
    00 F150 4x4 stepside
    01 F150 4x4 7700
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

  14. #14
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    Oklahoma City, Oklahoma
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    Quote Originally Posted by WhatsUpDOHC View Post
    Welcome!

    03 SB with 18K miles.

    Unsure if you know this but there were only 417 SBs built in 2003 so you have a rare Marauder.

    See where you are in the build sequence of 03 SBs and Marauders by ordering a certificate from Ford:

    https://www.mercurymarauder.net/foru...ad.php?t=57772


    I was looking into that as I was talking to the owner. Pretty happy about it, personally. Definitely gonna get that certificate. Thanks!
    2003 SB Marauder, 2nd owner, 18k miles, working on doing full air bags

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